Appeal No. 95-3140
Application No. 08/058,453
examiner's answer of January 23, 1995 (Paper No. 11), the
appellant's brief filed December 15, 1994 (Paper No. 10) and
the reply brief filed March 24, 1995 (Paper No. 12).
APPELLANTS' INVENTION
Appellants' invention is directed to a method for
analyzing concrete in connection with determining concrete
strength parameters. With respect to Fig. 1, a first
microwave signal having a first frequency is transmitted from
oscillator 24 toward the concrete to be analyzed. The
concrete being tested has unknown water and cement
proportions. A microwave receiving section 40 receives a
reflected microwave signal resulting from at least portions of
the transmitted microwave signal being reflected by the
concrete. A first value related to a reflection coefficient
for a concrete sample having known water and cement
proportions is provide (page 13, lines 1-20). A second value
related to a reflection coefficient that is based upon the
reflected microwave signal from the concrete being tested is
obtained (page 8, lines 6-17). A difference magnitude is
determined that relates to a difference between the first
value and the second value (Figs. 5 and 7; page 14, line 17 to
4
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